The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  1  1  1  1  1  X  0  1  1  1  1  1  X
 0  X 2X  0 X+6 2X  3 2X+3 X+6 X+6 2X  0  3 X+6 2X 2X+3  0  3 X+3 X+6 2X 2X+3 2X+6 2X+3 X+3 X+6  3 X+3  6 X+3 X+3 X+6 X+3 X+6 X+3 X+3  X 2X 2X 2X+3 2X 2X+3 X+6 2X+3 2X+6  0  0  0  3  3  6  6  0  0  6 X+3 2X+6 2X  3 2X+3 2X 2X  3  0  3 2X+3 2X+6 2X+3 2X+3 2X+6  0  3  6  3  3 X+6 X+6 X+3  X X+6 X+3  X  X  3 X+6 X+3  X X+3  X 2X  X 2X+3  0 2X+3 2X  0 X+6
 0  0  3  0  0  0  0  6  6  3  3  3  6  3  0  3  3  6  0  3  6  3  0  6  0  6  3  3  6  6  6  6  6  3  0  0  3  0  0  3  3  3  6  0  0  0  6  3  6  6  6  6  3  0  3  6  6  6  0  0  3  3  0  0  6  6  6  0  6  6  3  3  0  0  3  6  3  0  6  0  6  0  3  0  0  6  3  3  0  6  3  6  0  0  0  0  6
 0  0  0  3  0  0  6  0  0  0  0  0  3  6  6  3  6  6  3  6  6  6  3  3  6  3  3  3  0  6  3  6  0  0  3  6  3  0  6  6  6  0  6  6  0  0  6  0  6  0  3  0  6  0  0  6  0  3  3  3  3  3  6  3  3  6  0  3  6  3  3  6  6  6  3  3  0  6  0  0  3  0  3  0  3  0  0  6  6  6  0  0  6  6  3  0  0
 0  0  0  0  6  6  0  3  6  3  6  3  6  0  6  0  3  6  0  3  3  0  6  3  0  6  3  3  6  6  3  3  3  0  6  6  0  0  3  3  6  3  0  0  3  3  3  0  0  0  3  3  6  6  6  0  0  0  3  0  3  6  3  6  0  0  6  3  6  6  0  0  3  6  6  0  6  3  6  3  6  6  6  0  3  0  0  6  6  0  6  0  6  3  0  0  0

generates a code of length 97 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 186.

Homogenous weight enumerator: w(x)=1x^0+276x^186+524x^189+486x^190+444x^192+1944x^193+360x^195+1944x^196+178x^198+120x^201+54x^204+132x^207+84x^210+12x^213+2x^279

The gray image is a code over GF(3) with n=873, k=8 and d=558.
This code was found by Heurico 1.16 in 8.62 seconds.